公开(公告)号：US20240405031A1

公开(公告)日：2024-12-05

申请号：US18802785

申请日：2024-08-13

Applicant: Samsung Display Co., LTD.

Inventor： Jun Ki JEONG ,  Hyun Joon KIM ,  Mee Hye JUNG

IPC: H01L27/12 ,  G09G3/32 ,  H01L23/00 ,  H01L25/16 ,  H01L33/62

Abstract: A light emitting display device includes a pixel circuit unit, a data distribution unit, a plurality of signal generating units, a unit light emitting diode, and a dummy opening. The pixel circuit unit is configured to generate an output current. The data distribution unit is configured to apply a data voltage to the pixel circuit unit through a data line. The plurality of signal generating units are respectively configured to apply a scan signal and a light emission control signal to the pixel circuit unit through a plurality of signal lines. The unit light emitting diode is configured to receive the output current of the pixel circuit unit and is attached to the pixel circuit unit. The dummy opening is formed in the region where the pixel circuit unit, the data distribution unit, and a plurality of signal generating units are not positioned.

公开(公告)号：US20230216003A1

公开(公告)日：2023-07-06

申请号：US17900742

申请日：2022-08-31

Applicant: Samsung Display Co., LTD.

Inventor： Kye Uk LEE ,  Jun Ki JEONG ,  Hyun Joon KIM ,  Jung Hwan HWANG

IPC: H01L33/62 ,  G09F9/302 ,  G09F9/33 ,  H01L33/42 ,  H01L33/38

CPC classification number: H01L33/62 ,  G09F9/3026 ,  G09F9/33 ,  H01L33/42 ,  H01L33/382

Abstract: A display device includes a substrate including a display area for displaying an image, and a non-display area around the display area, fan-out lines above the substrate, top antistatic layers along edges of a top surface above the substrate, and electrically connected to the fan-out lines, lead lines below the substrate, side connecting lines on sides of the substrate, and electrically connecting the fan-out lines and the lead lines, and bottom antistatic layers along edges of a bottom surface below the substrate, and electrically connected to the lead lines.

公开(公告)号：US20230186836A1

公开(公告)日：2023-06-15

申请号：US18072507

申请日：2022-11-30

Applicant: Samsung Display Co., LTD.

Inventor： Jun Ki JEONG ,  Hyun Joon KIM ,  Jung Hwan HWANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0852 ,  G09G2320/0233

Abstract: A display device including: a first transistor configured to control a control current based on a voltage of a first node; a second transistor configured to electrically connect a second node that is a first electrode of the first transistor to a first data line in response to a scan write signal; a third transistor configured to control a driving current based on a voltage of a third node; a fourth transistor configured to electrically connect a fourth node that is a first electrode of the third transistor to a second data line in response to the scan write signal; a fifth transistor configured to control the driving current based on a voltage of a fifth node having received the control current; and a light emitting element configured to receive the driving current, wherein the fifth transistor is of a different type from that of the first to fourth transistors.

公开(公告)号：US20230078842A1

公开(公告)日：2023-03-16

申请号：US17748881

申请日：2022-05-19

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Joon KIM ,  Jun Ki JEONG ,  Jung Hwan HWANG ,  Kye Uk LEE ,  Sang Jin JEON

IPC: H01L27/32

Abstract: A display device includes a first scan line to receive a first scan signal, a second scan line to receive a second scan signal, a sweep signal line to receive a sweep signal, a first data line to receive a first data voltage, a second data line to receive a second data voltage, and a sub-pixel connected to the first scan line, the second scan line, the sweep signal line, the first data line, and the second data line. The sub-pixel includes a light emitting element, a first pixel driver configured to generate a control current according to the first data voltage of the first data line, and a second pixel driver configured to generate a driving current applied to the light emitting element according to the second data voltage of the second data line.

公开(公告)号：US20230027673A1

公开(公告)日：2023-01-26

申请号：US17749070

申请日：2022-05-19

Applicant: Samsung Display Co., LTD.

Inventor： Jun Ki JEONG

IPC: G09G3/3266

Abstract: A display device includes a pixel unit including first pixels disposed in a first area and second pixels disposed in a second area, an emission driver configured to sequentially supply emission signals of a turn-off level to the first pixels and the second pixels based on a first start signal, a first clock signal, and a second clock signal, and a first scan driver configured to sequentially supply first scan signals of a turn-on level to the first pixels based on a second start signal, the first clock signal, and the second clock signal, and sequentially supply the first scan signals of the turn-on level to the second pixels based on a third start signal, the first clock signal, and the second clock signal.

公开(公告)号：US20200273408A1

公开(公告)日：2020-08-27

申请号：US16872261

申请日：2020-05-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Soon-Dong KIM ,  Il-Joo KIM ,  Jun Ki JEONG ,  Jin-Wook YANG ,  Gyung Soon PARK

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3225

Abstract: Example embodiments of the present disclosure provide a display device including: a plurality of pixels; a first scan gate line and a second scan gate line configured to transfer scan signals to a first pixel row of the pixels; a plurality of first gate bridges connected with the first scan gate line to transfer the scan signals to a plurality of first pixels at the first pixel row; a plurality of second gate bridges connected with the second scan gate line to transfer the scan signals to a plurality of second pixels at the first pixel row; a plurality of first data lines configured to supply a plurality of data voltages corresponding to the first pixels; and a plurality of second data lines configured to supply a plurality of data voltages corresponding to the second pixels, wherein two of the first data lines are positioned between two first pixels corresponding thereto, and two of the second data lines are positioned between two second pixels corresponding thereto.

公开(公告)号：US20190214600A1

公开(公告)日：2019-07-11

申请号：US16239920

申请日：2019-01-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： GYUNG SOON PARK ,  Sang Woo KIM ,  II Joo KIM ,  Jae Min SHIN ,  Jun Ki JEONG

IPC: H01L51/52 ,  H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a substrate including a display region, a first non-display region in the display region and a second non-display region outside the display region. A pixel array layer is disposed on the display region of the substrate. An encapsulation layer is disposed on the display region. The encapsulation layer is disposed on the first and second non-display regions of the substrate. The first non-display region includes a through hole penetrating the pixel array layer and the substrate. An encapsulation groove is spaced apart from the through hole. An inner wall of the through hole and an inner wall of the encapsulation groove are at least partially covered with the encapsulation layer. An end face of the encapsulation layer facing away from the pixel array layer has an irregular shape when viewed from a side of the substrate opposite the pixel array layer.

公开(公告)号：US20230274705A1

公开(公告)日：2023-08-31

申请号：US18313601

申请日：2023-05-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Joon KIM ,  Jun Ki JEONG

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2310/061 ,  G09G2310/0278 ,  G09G2300/0842 ,  G09G2320/0233

Abstract: A pixel of a light-emitting display device includes a capacitor, a first transistor, a second transistor including a gate receiving a gate writing signal, a third transistor including a gate receiving a scan signal, a fourth transistor including a gate receiving a gate initialization signal, a fifth transistor including a gate receiving a first emission signal, a sixth transistor including a gate receiving a second emission signal, and a light-emitting diode. The scan signal and the gate writing signal may be provided at a first frequency, and the first emission signal, the second emission signal and the gate initialization signal may be provided at a second frequency higher than the first frequency.

公开(公告)号：US20230121681A1

公开(公告)日：2023-04-20

申请号：US17807690

申请日：2022-06-17

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hwan HWANG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jun Ki JEONG

IPC: G09G3/32

Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.

公开(公告)号：US20230119036A1

公开(公告)日：2023-04-20

申请号：US17849277

申请日：2022-06-24

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hwan HWANG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jun Ki JEONG

IPC: G09G3/22

Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.